upgrading of an industrial structure 产业结构升级

upgrading of the industrial structure 产业结构升级

upgrading of industrial structure 产业结构升级 ; 工业结构升级

structure upgrading of service industry 效劳业构造优化

upgrading of product structure 产品结构升级

upgrading of export structure 出口结构优化

upgrading of industry structure 产业结构升级

upgrading of agricultural structure 农业产业结构升级